4r+r+2r-4r-2r=13

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Solution for 4r+r+2r-4r-2r=13 equation: 


Simplifying
4r + r + 2r + -4r + -2r = 13

Combine like terms: 4r + r = 5r
5r + 2r + -4r + -2r = 13

Combine like terms: 5r + 2r = 7r
7r + -4r + -2r = 13

Combine like terms: 7r + -4r = 3r
3r + -2r = 13

Combine like terms: 3r + -2r = 1r
1r = 13

Solving
1r = 13

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Divide each side by '1'.
r = 13

Simplifying
r = 13

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